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2.11 Frame Ground Connection
IMPORTANT
Connect the frame of the main unit to ground. The grounding plug of the AC cable provides some
protection from external noise and lightning strikes, but it may not be enough to fully protect the
unit. A permanent connection between ground and the ground terminal of the unit must be made.
1. Loosen the screw.
2. Insert a grounding wire (user-supplied).
Note
• Green-and-yellow insulation is required, and the cross-sectional area of the conductor must be
more than 0.75 mm
2
or 18 AWG.
3. Tighten the screw.
4. Connect the grounding wire to ground.
KX-TVA50
Screw
Grounding
wire
To ground
KX-TVA200
Screw
Grounding
wire
To ground
Note
• Be sure to comply with applicable local regulations (e.g., laws, guidelines).
• Proper connection to ground is very important to protect the unit from external noise, and can reduce
the risk of electrocution in the event of a lightening strike.
Document Version 3.0 2010/06 Installation Manual 69
2.11 Frame Ground Connection